Controller.



,4o panying drawings.

HAROLD-E. WHITE, OE sOHENEO'rf-in 1 ERAL ELECTRIC COMPANY, A o

Y, NEW YORK, AssiGNOR To GEN? ORPORATION OE NEW YORK.

QONTRQLLER.

lojaZZ whom t may concern:

Be it knownthat, I, HAROLD E.AWHITE, a citizen of the United States, residing at Schenectady, lcounty of Schenectady, State of New York, have invented'certain new and "useful Improvements in Controllers, of which the following is a specificati on.

The present invention relates to controllersi and particularly to controllers embodyi'o'f the position of the a'rt which is' governed' by ing indicating mechanism adapted to show the controller; an the object of the. present 1 invention is to improve the construction'and organization of parts constituting-such a con- One instance of the use of a controller of l'the character specified is that of an operating system for turrets wherein the position oi' the l'controller determinesthe direction and s eed of rotation ofthe turret and there being indieating mechanism geared to or otherwise associated with the turret for the-purpose of inj dicating at all timesthe position of the turret.

It is of course necessary that the indicating '2. 5

a paratus beaccurate, and it is alsodesirable t vat itshould be so larranged as to enable the .indicating mechanism. I

` struc-tioi'i and arrangement of parts embody- `The presen-tinvention contemplates a coningfallfth'e foregoing features.

he present invention will be 'more fully 4understood from the vfollowing .description thereof-, taken in connection with the accom- In said.draWings, Fi ure 1 is a front eleva- I tion of a controller wit f a portion ofthe proftecting-casing removed and the portions ar-l tion, shown in cross-section. ig. 2 is a plan .view of the parts shown in Fig. 1, a portion I of; the dialbeing ibn ken away; and Fig. Sis a front elevation of the controller shown in Fig.

dicates afcontroller of` any usual or preferred Specification of Letters Patent. i I Application filed November 1 1. 1905. Serial No. `286,845.

ranged in accordance with the resent invenmember 2, supported upon and rotatable with a hollow shaft, which extends upward ly through the top cover 4 of the casing and carries at its upper 'end a handqvheel or" other operating member `5. 6 is a. shaft arranged within the holloW'-y shaft 3 and illus trated as geared at its lower end to a'turret 7, lWhose movement is determined by the controller. The connection between the turret and the shaft fneed not be mechanical, and, in fact, any driving. arrangement may be employed, provided thatvit causes 'the'shaft to indicate the position of theturretlfAtthe with `a pointer 8, .which is adapted to sweep over a series of-graduations 9 on a disk'10, and thus indicate .the angular position ofthe turret at all times. A pointer .11 fon/the Yhand-vcfhcl 5 is adapted to coperatawitli the same series of graduations or with a 'sepa-A rection and speed of rotation of the turret, while the pointer 8 shows the position ofthe the operator when the turret has reachedthe desired position. y

It isdesirable to have the graduations-lo-v cated closely tothe plane or planes of movement of the pointers, and for this purpose the disk is arranged concentric with thei controller-shaft and lsupported with its graduated surface or surfaces substantially in the plane or planes of vmovement as the pointers. Since the shaft 6 is inclosed within the controller-shaft, the disk 12l must be arranged above the controller-handle or `operating memher,and it cannot be readilysupported upon the controller Without using a bracket, which extends from the controller-casing and prevents a continuous rotary movementl 'of the controller-shaft or places an obstruction in thle way of the .operator in turning the hand-Wheel from certain points. ent invention contemplates means which holds the indicating-disk stationary without being open to either of the foregoing objections. To 4this end I provide the disk, which may beloosely supported upon the upper end of either s haft,with a gear 13, fixed to its under side and arranged concentric With the shafts Sand 6, and inv axial alinement therewith secure a similar gear 14 to the top of the controller-casing and 4on the voperating type having' a movable contact-carrying rate series .12,.thje pointer 11 showing the diturret at any particular instant and ir'ii'orms4 upper end theindicating-shaft is provided'` The pres- TOO ` hand-wlwel arrange a pair of axially-aimed l and rigilily-connected pinions l and lhsiini- -lar in forni and sine and 'iiieshiiig,'respectively, with the gears '13 and 14.l Only onel pair of 5 such pinions is required; but l have also shown asecond pair 17 and 1X, located. diametrically opposite the other pair, forming thereby a balanced arrangernentmof parts. y

It is evident that as the controller-handle 1o isflnoved in one direction or the other the l pinion 16 or the pinionsIG'and 18, as the case may be, will travel about the gear 14 and by being connected to pinion 15er 15' 'and 16, as the case-may be, the latterv pinion'or pinions 1,5 will be given similar movements'.` Since the gear 14 is stationary, the effect of the rotating pinions is to holdthe gear y13 stationary also regardless of the movement ofthe controller-handle. The disk is therefore scf vzo curely supported in close proximity to the pointers without ,the use of lobjectionable brackets or other similar devices What I claim as new, and desire to secure by Letters Patent of the United States, is-' 1"""1, lIn combination, a revolu'blefshaft, a i'losely-supported member, av pair of similar gears secured respectively to' said member and to a 'fixed support an d; arranged concen'- i tric with said shaft, and a' pair of connected 3o QaXially-alincd similar pinions movable with said shaft and meshing Withsaid gears for holding said member against rotation.

-2 In a controller, a revoluble shaft, a disk v loosely supported on an axis concentric with the shaft, and'means for holding said disk Aagainst rotation including Agearing Imrtio'ns of which are secured tosaid disk and' a fixed. part of the controller and other portions of which are carried by and. movable with vsaid 4o controller-shaft.

operating 3. In a controller, a revolublc hollow shaft,

a second shaft revolubly mounted within said hollow shaft, a graduated member loosely supportedv coiuzentric with. said shaft, an operating-handle connected to said hollow shaft, inf dex-lingers secured to said shafts and adapted to register with the graduation on said disk, and means for holding said disk against rotation including intern'ieshing gearing a portionbf which is fixed to the controller easing another'portion of which is fixed to said disk, and another portion of whichis carried by and movable with said hollow shaft,

4. In a controller, a revol'uble controllershaft, a disk loosely supported on an axis lconcentricwiththe shaft, 'a pair of similar gearsA secured respectively to said disk and to a' fixed portion of said controller and arranged concentric with said shaft, and a pair of connected axially-aline'd similar pinions movable with said shaft and meshing with said gear for holding said disk a rainst rotation.

5. In a controller, a iollow revoluble shaft,

f a second shaft revolubly mounted within .said

hollow shaft, a graduated disk loosely supported on an axis concentric with said shaft, a pair of similar gears geared respectively to V'said disk and t0 a fixed portion ofthe controller and arranged concentric with said shaft, an operating vmember in said. hollow shaft, index-lingers on each of said shafts'col with the graduations on said disk, and a pair of connected axially-aimed similar pinions movable with said hollow shaft and meshing with said gears for holding said disk against rotation.

In witness whereof'I have hereunto set my hand this 10th day of November,` 1905. l i HAROLD E. WH ITE.

l/Vitnesses:

BENJAMIN B. H ULL, MARGARET E. WooLLEY. 

